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<li class="navelem"><a class="el" href="namespaceipc.html">ipc</a></li><li class="navelem"><a class="el" href="namespaceipc_1_1transport.html">transport</a></li><li class="navelem"><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html">sync_io</a></li><li class="navelem"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a></li>  </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>A documentation-only <em>concept</em> defining the behavior of an object that is the <code><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html" title="sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.">sync_io</a></code>-pattern counterpart of the async-I/O-pattern-following concept of the same name in our parent namespace: <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>.  
 <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#details">More...</a></p>

<p><code>#include &lt;native_handle_transport.hpp&gt;</code></p>
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Collaboration diagram for ipc::transport::sync_io::Native_handle_receiver:</div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a4d1ef7666fc35e98ced97abdc131a345"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a4d1ef7666fc35e98ced97abdc131a345">Native_handle_receiver</a> ()</td></tr>
<tr class="memdesc:a4d1ef7666fc35e98ced97abdc131a345"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default ctor: Creates a peer object in NULL (neither connected nor connecting) state.  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a4d1ef7666fc35e98ced97abdc131a345">More...</a><br /></td></tr>
<tr class="separator:a4d1ef7666fc35e98ced97abdc131a345"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9e32e2a96c2dad89f9ccab34c96e545c"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a9e32e2a96c2dad89f9ccab34c96e545c">Native_handle_receiver</a> (<a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;&amp;src)</td></tr>
<tr class="memdesc:a9e32e2a96c2dad89f9ccab34c96e545c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Move-constructs from <code>src</code>; <code>src</code> becomes as-if default-cted (therefore in NULL state).  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a9e32e2a96c2dad89f9ccab34c96e545c">More...</a><br /></td></tr>
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&#160;</td><td class="memItemRight" valign="bottom"><b>Native_handle_receiver</b> (const <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;)=delete</td></tr>
<tr class="memdesc:af97ff850390e2d912a47bd9b2ef1f3d2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Disallow copying. <br /></td></tr>
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<tr class="memitem:a9b464ca1d564e19340221e9958a5aa45"><td class="memItemLeft" align="right" valign="top"><a id="a9b464ca1d564e19340221e9958a5aa45" name="a9b464ca1d564e19340221e9958a5aa45"></a>
&#160;</td><td class="memItemRight" valign="bottom"><b>~Native_handle_receiver</b> ()</td></tr>
<tr class="memdesc:a9b464ca1d564e19340221e9958a5aa45"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destroys this peer endpoint which will end the conceptual outgoing-direction pipe (in PEER state, and if it's still active) and return resources to OS as applicable. <br /></td></tr>
<tr class="separator:a9b464ca1d564e19340221e9958a5aa45"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:affab55066b90fa3a69085678946da02e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#affab55066b90fa3a69085678946da02e">operator=</a> (<a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;&amp;src)</td></tr>
<tr class="memdesc:affab55066b90fa3a69085678946da02e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Move-assigns from <code>src</code>; <code>*this</code> acts as if destructed; <code>src</code> becomes as-if default-cted (therefore in NULL state).  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#affab55066b90fa3a69085678946da02e">More...</a><br /></td></tr>
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<tr class="memitem:aad1e12f7fbd213802c44d31ff7a2922c"><td class="memItemLeft" align="right" valign="top"><a id="aad1e12f7fbd213802c44d31ff7a2922c" name="aad1e12f7fbd213802c44d31ff7a2922c"></a>
<a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;)=delete</td></tr>
<tr class="memdesc:aad1e12f7fbd213802c44d31ff7a2922c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Disallow copying. <br /></td></tr>
<tr class="separator:aad1e12f7fbd213802c44d31ff7a2922c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6b26e7ee8f63e8e80b9cc7010bf208d6"><td class="memTemplParams" colspan="2">template&lt;typename Create_ev_wait_hndl_func &gt; </td></tr>
<tr class="memitem:a6b26e7ee8f63e8e80b9cc7010bf208d6"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6b26e7ee8f63e8e80b9cc7010bf208d6">replace_event_wait_handles</a> (const Create_ev_wait_hndl_func &amp;create_ev_wait_hndl_func)</td></tr>
<tr class="memdesc:a6b26e7ee8f63e8e80b9cc7010bf208d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Coincides with <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html" title="A documentation-only concept defining the behavior of an object that is the sync_io-pattern counterpa...">sync_io::Native_handle_sender</a> concept counterpart.  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6b26e7ee8f63e8e80b9cc7010bf208d6">More...</a><br /></td></tr>
<tr class="separator:a6b26e7ee8f63e8e80b9cc7010bf208d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa55c06ebb8ba1ba262560eabadb09ab6"><td class="memTemplParams" colspan="2">template&lt;typename Event_wait_func_t &gt; </td></tr>
<tr class="memitem:aa55c06ebb8ba1ba262560eabadb09ab6"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#aa55c06ebb8ba1ba262560eabadb09ab6">start_receive_native_handle_ops</a> (Event_wait_func_t &amp;&amp;ev_wait_func)</td></tr>
<tr class="memdesc:aa55c06ebb8ba1ba262560eabadb09ab6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets up the <code><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html" title="sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.">sync_io</a></code>-pattern interaction between <code>*this</code> and the user's event loop; required before <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf" title="In PEER state: Possibly-asynchronously awaits one discrete message – as sent by the opposing peer via...">async_receive_native_handle()</a>, <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a57ec0f2a9c1b8bfbaaf88975433a1354" title="In PEER state: Irreversibly enables a conceptual idle timer whose potential side effect is,...">idle_timer_run()</a> will work (as opposed to no-op/return <code>false</code>).  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#aa55c06ebb8ba1ba262560eabadb09ab6">More...</a><br /></td></tr>
<tr class="separator:aa55c06ebb8ba1ba262560eabadb09ab6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a46194b54e9465a5a41d7fedf9d4982ae"><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a46194b54e9465a5a41d7fedf9d4982ae">receive_meta_blob_max_size</a> () const</td></tr>
<tr class="memdesc:a46194b54e9465a5a41d7fedf9d4982ae"><td class="mdescLeft">&#160;</td><td class="mdescRight">Mirrors <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html#afde03d7fb5746e77524229d5881b8d79" title="Same notes as for transport::Native_handle_sender.">sync_io::Native_handle_sender::send_meta_blob_max_size()</a>.  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a46194b54e9465a5a41d7fedf9d4982ae">More...</a><br /></td></tr>
<tr class="separator:a46194b54e9465a5a41d7fedf9d4982ae"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6350bfb7f929a5b60fa4af1b6f7166cf"><td class="memTemplParams" colspan="2">template&lt;typename Task_err_sz &gt; </td></tr>
<tr class="memitem:a6350bfb7f929a5b60fa4af1b6f7166cf"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf">async_receive_native_handle</a> (<a class="el" href="namespaceipc_1_1transport.html#a7ee4551983d9df16ec16a3139bac50e8">Native_handle</a> *target_hndl, <a class="el" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a> *sync_err_code, size_t sync_sz, const <a class="el" href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">util::Blob_mutable</a> &amp;target_meta_blob, Task_err_sz &amp;&amp;on_done_func)</td></tr>
<tr class="memdesc:a6350bfb7f929a5b60fa4af1b6f7166cf"><td class="mdescLeft">&#160;</td><td class="mdescRight">In PEER state: Possibly-asynchronously awaits one discrete message &ndash; as sent by the opposing peer via <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html#a0f8f3fb816c09dd9a992a878892bbffb" title="In PEER state: Synchronously, non-blockingly sends one discrete message, reliably/in-order,...">Native_handle_sender::send_native_handle()</a> or <code>"Native_handle_sender::*end_sending()"</code> &ndash; and receives it into the given target locations, reliably and in-order.  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf">More...</a><br /></td></tr>
<tr class="separator:a6350bfb7f929a5b60fa4af1b6f7166cf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a57ec0f2a9c1b8bfbaaf88975433a1354"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a57ec0f2a9c1b8bfbaaf88975433a1354">idle_timer_run</a> (<a class="el" href="namespaceipc_1_1util.html#ac66141280c3b7295a86b65209f31cc58">util::Fine_duration</a> timeout=default_value)</td></tr>
<tr class="memdesc:a57ec0f2a9c1b8bfbaaf88975433a1354"><td class="mdescLeft">&#160;</td><td class="mdescRight">In PEER state: Irreversibly enables a conceptual idle timer whose potential side effect is, once at least the specified time has passed since the last received low-level traffic (or this call, whichever most recently occurred), to emit the pipe-hosing error <a class="el" href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297aba920b52e9801e4927dd346ad83ce815" title="No messages (optional auto-pings or otherwise) have been received; optionally configured timeout exce...">error::Code::S_RECEIVER_IDLE_TIMEOUT</a>.  <a href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a57ec0f2a9c1b8bfbaaf88975433a1354">More...</a><br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-static-attribs" name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr class="memitem:a80df90c9339c244230ec407ea258876b"><td class="memItemLeft" align="right" valign="top"><a id="a80df90c9339c244230ec407ea258876b" name="a80df90c9339c244230ec407ea258876b"></a>
static const <a class="el" href="namespaceipc_1_1transport.html#a33de1c256addb3964b839dc2dd407d24">Shared_name</a>&#160;</td><td class="memItemRight" valign="bottom"><b>S_RESOURCE_TYPE_ID</b></td></tr>
<tr class="memdesc:a80df90c9339c244230ec407ea258876b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. <br /></td></tr>
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<tr class="memitem:aeb80b0f432a762a5c78ff19c8e32c0b9"><td class="memItemLeft" align="right" valign="top"><a id="aeb80b0f432a762a5c78ff19c8e32c0b9" name="aeb80b0f432a762a5c78ff19c8e32c0b9"></a>
static constexpr bool&#160;</td><td class="memItemRight" valign="bottom"><b>S_META_BLOB_UNDERFLOW_ALLOWED</b> = value</td></tr>
<tr class="memdesc:aeb80b0f432a762a5c78ff19c8e32c0b9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. <br /></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >A documentation-only <em>concept</em> defining the behavior of an object that is the <code><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html" title="sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.">sync_io</a></code>-pattern counterpart of the async-I/O-pattern-following concept of the same name in our parent namespace: <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. </p>
<p >This is paired with the <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html" title="A documentation-only concept defining the behavior of an object that is the sync_io-pattern counterpa...">sync_io::Native_handle_sender</a> concept which defines sending of such messages.</p>
<h3>Concept contents</h3>
<p >The concept defines the behaviors/requirements mirroring those of <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html" title="A documentation-only concept defining the behavior of an object that is the sync_io-pattern counterpa...">sync_io::Native_handle_sender</a>. Notes from that doc header apply similarly; except that among the <code><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html" title="sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.">sync_io</a></code>-specific method names replace <code>send_native_handle</code> fragment of method names with <code>receive_native_handle</code>.</p>
<dl class="section note"><dt>Note</dt><dd>The "Thread safety" section most definitely applies. You should read it.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html" title="Implements both sync_io::Native_handle_sender and sync_io::Native_handle_receiver concepts by using a...">Native_socket_stream</a>: as of this writing one key class that implements this concept (and also <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html" title="A documentation-only concept defining the behavior of an object that is the sync_io-pattern counterpa...">sync_io::Native_handle_sender</a>) &ndash; using the Unix domain socket <a class="el" href="namespaceipc_1_1transport.html" title="Flow-IPC module providing transmission of structured messages and/or low-level blobs (and more) betwe...">transport</a>. </dd></dl>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a4d1ef7666fc35e98ced97abdc131a345" name="a4d1ef7666fc35e98ced97abdc131a345"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4d1ef7666fc35e98ced97abdc131a345">&#9670;&nbsp;</a></span>Native_handle_receiver() <span class="overload">[1/2]</span></h2>

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          <td class="memname">ipc::transport::sync_io::Native_handle_receiver::Native_handle_receiver </td>
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<p>Default ctor: Creates a peer object in NULL (neither connected nor connecting) state. </p>
<p >Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a9e32e2a96c2dad89f9ccab34c96e545c">&#9670;&nbsp;</a></span>Native_handle_receiver() <span class="overload">[2/2]</span></h2>

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          <td class="memname">ipc::transport::sync_io::Native_handle_receiver::Native_handle_receiver </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;&amp;&#160;</td>
          <td class="paramname"><em>src</em></td><td>)</td>
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<p>Move-constructs from <code>src</code>; <code>src</code> becomes as-if default-cted (therefore in NULL state). </p>
<p >Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">src</td><td>Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a6350bfb7f929a5b60fa4af1b6f7166cf">&#9670;&nbsp;</a></span>async_receive_native_handle()</h2>

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template&lt;typename Task_err_sz &gt; </div>
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          <td>(</td>
          <td class="paramtype"><a class="el" href="namespaceipc_1_1transport.html#a7ee4551983d9df16ec16a3139bac50e8">Native_handle</a> *&#160;</td>
          <td class="paramname"><em>target_hndl</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a> *&#160;</td>
          <td class="paramname"><em>sync_err_code</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>sync_sz</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">util::Blob_mutable</a> &amp;&#160;</td>
          <td class="paramname"><em>target_meta_blob</em>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">Task_err_sz &amp;&amp;&#160;</td>
          <td class="paramname"><em>on_done_func</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>In PEER state: Possibly-asynchronously awaits one discrete message &ndash; as sent by the opposing peer via <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html#a0f8f3fb816c09dd9a992a878892bbffb" title="In PEER state: Synchronously, non-blockingly sends one discrete message, reliably/in-order,...">Native_handle_sender::send_native_handle()</a> or <code>"Native_handle_sender::*end_sending()"</code> &ndash; and receives it into the given target locations, reliably and in-order. </p>
<p >The message is, therefore, one of the following:</p><ul>
<li>A binary blob; a native handle; or both. This is indicated by <code>on_done_func(Error_code(), N)</code> or the equivalent synchronous out-args (see below on that topic). The falsy code indicates success; <code>N &lt;= target_meta_blob.size()</code> indicates the number of bytes received into <code>target_meta_blob.data()</code> (zero means no blob was sent in the message). <code>*target_hndl</code> is set (<code>target_hndl-&gt;null() == true</code> means no handle was sent in the message).</li>
<li>Graceful-close. This is indicated by <code>on_done_func(error::code::S_RECEIVES_FINISHED_CANNOT_RECEIVE, 0)</code> or the equivalent synchronous out-args (see below on that topic). Neither the target blob nor target native handle are touched.</li>
</ul>
<p >Per <code><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html" title="sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.">sync_io</a></code> pattern: if internally more work is required asynchronously pending 1+ native handles being in 1+ active-event (readable, writable) state, this method shall later invoke the <code>Event_wait_func</code> registered via <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#aa55c06ebb8ba1ba262560eabadb09ab6" title="Sets up the sync_io-pattern interaction between *this and the user&#39;s event loop; required before asyn...">start_receive_native_handle_ops()</a> by the user of <code>*this</code>; and the error code <a class="el" href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297aa667487757f9d6300f6888bac40bcc24" title="A sync_io operation could not immediately complete; it will complete contingent on active async-wait ...">error::Code::S_SYNC_IO_WOULD_BLOCK</a> shall be emitted here synchronously (via <code>*sync_err_code</code> if not null, exception if null &ndash; per standard <code>flow::Error_code</code>-doc-header semantics). Meanwhile the completion handler <code>on_done_func()</code> shall execute once the required async-waits have been satisfied by the <code>*this</code> user, synchronously from inside the <code>(*on_active_ev_func)()</code> call that achieves this state.</p>
<p >If, by contrast, no more work is required &ndash; the operation completed synchronously within this method &ndash; then: success or error <em>other than</em> error::code::S_SYNC_IO_WOULD_BLOB shall be emitted (again per standard semantics) synchronously; <code>*sync_sz</code> is set to 0 or bytes-transmitted, and <code>on_done_func()</code> shall not be saved nor ever executed by <code>*this</code>. Thus the result of the operation shall be either output directly synchronously &ndash; if op completed synchronously &ndash; or later via <code>on_done_func()</code> completion handler.</p>
<p >Informally:</p><ul>
<li>emission of <em>not</em> <code>S_SYNC_IO_WOULD_BLOCK</code> is analogous to <code>SSL_read()</code> <em>not</em> returning <code>SSL_ERROR_WANT_*</code>. The operation completed.</li>
<li>emission of <code>S_SYNC_IO_WOULD_BLOCK</code> is analogous to <code>SSL_read()</code> returning <code>SSL_ERROR_WANT_*</code>. The operation requires an underlying transport to reach a certain readable/writable state before <code>SSL_read()</code> can complete.</li>
</ul>
<p >In addition: if <code>*this</code> is not in PEER state (in particular if it is default-cted or moved-from), returns <code>false</code> immediately instead and otherwise no-ops (logging aside). Same if the preceding <code>async_receive_*()</code> to have returned <code>true</code> has not yet executed its completion handler or synchronously completed.</p>
<h3>Error semantics</h3>
<p >Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. Exception: error may be emitted synchronously. Exception: <a class="el" href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297afe29343445a7bf167cc186a44bd2c6ed" title="Async completion handler is being called prematurely, because underlying object is shutting down,...">error::Code::S_OBJECT_SHUTDOWN_ABORTED_COMPLETION_HANDLER</a> shall not be emitted.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">Task_err_sz</td><td>A functor type with signature identical to <code>flow::async::Task_asio_err_sz</code>. </td></tr>
  </table>
  </dd>
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<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">target_hndl</td><td><code>*target_hndl</code> shall be set before <code>on_done_func()</code> is executed with a falsy code. </td></tr>
    <tr><td class="paramname">target_meta_blob</td><td><code>target_meta_blob.data()...</code> shall be written to before <code>on_done_func()</code> is executed with a falsy code, bytes numbering <code>N</code>, where <code>N</code> is passed to that callback. <code>N</code> shall not exceed <code>target_meta_blob.size()</code>. See "Error semantics" (there is an <code>Error_code</code> regarding overflowing the user's memory area). </td></tr>
    <tr><td class="paramname">sync_err_code</td><td>See above. Do realize <a class="el" href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297aa667487757f9d6300f6888bac40bcc24" title="A sync_io operation could not immediately complete; it will complete contingent on active async-wait ...">error::Code::S_SYNC_IO_WOULD_BLOCK</a> <em>is</em> still an error, so if this pointer is null, then would-block <em>will</em> make this throw. </td></tr>
    <tr><td class="paramname">sync_sz</td><td>See above. If null behavior undefined (assertion may trip). </td></tr>
    <tr><td class="paramname">on_done_func</td><td>See above. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. In addition: return <code>false</code> if <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#aa55c06ebb8ba1ba262560eabadb09ab6" title="Sets up the sync_io-pattern interaction between *this and the user&#39;s event loop; required before asyn...">start_receive_native_handle_ops()</a> has not been called successfully, or if the preceding async-receive has not completed (completion handler has not executed). </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a57ec0f2a9c1b8bfbaaf88975433a1354">&#9670;&nbsp;</a></span>idle_timer_run()</h2>

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          <td class="memname">bool ipc::transport::sync_io::Native_handle_receiver::idle_timer_run </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="namespaceipc_1_1util.html#ac66141280c3b7295a86b65209f31cc58">util::Fine_duration</a>&#160;</td>
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<p>In PEER state: Irreversibly enables a conceptual idle timer whose potential side effect is, once at least the specified time has passed since the last received low-level traffic (or this call, whichever most recently occurred), to emit the pipe-hosing error <a class="el" href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297aba920b52e9801e4927dd346ad83ce815" title="No messages (optional auto-pings or otherwise) have been received; optionally configured timeout exce...">error::Code::S_RECEIVER_IDLE_TIMEOUT</a>. </p>
<p >The implementation shall guarantee the observer idle timeout is at least the provided value but may exceed this value for internal reasons, as long as it's by a less than human-perceptible period (roughly speaking &ndash; milliseconds, not seconds).</p>
<p >Per <code><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html" title="sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.">sync_io</a></code> pattern: if internally more work is required asynchronously pending 1+ native handles being in 1+ active-event (readable, writable) state, this method shall synchronously invoke the <code>Event_wait_func</code> registered via start_send_native_handle_ops() by the user of <code>*this</code>.</p><ul>
<li>In <em>this</em> case the events waited-on are likely to be at most 1 (per PEER state) firing of an internal idle timer.<ul>
<li>Indeed if that does occur, the <code>(*on_active_ev_func)()</code> call (by the <code>*this</code> user) that reported the timer firing shall also act as-if the currently pending <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf" title="In PEER state: Possibly-asynchronously awaits one discrete message – as sent by the opposing peer via...">async_receive_native_handle()</a> (if any) encountered the pipe-hosing error <a class="el" href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297aba920b52e9801e4927dd346ad83ce815" title="No messages (optional auto-pings or otherwise) have been received; optionally configured timeout exce...">error::Code::S_RECEIVER_IDLE_TIMEOUT</a>.<ul>
<li>No special code is necessary on the user's part to handle this: it will look like the <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf" title="In PEER state: Possibly-asynchronously awaits one discrete message – as sent by the opposing peer via...">async_receive_native_handle()</a> failing with a pipe-hosing error; which any proper <code>on_done_func()</code> must handle anyway.</li>
</ul>
</li>
</ul>
</li>
</ul>
<p >If <code>*this</code> is not in PEER state (in particular if it is default-cted or moved-from), returns <code>false</code> immediately instead and otherwise no-ops (logging aside). If <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a57ec0f2a9c1b8bfbaaf88975433a1354" title="In PEER state: Irreversibly enables a conceptual idle timer whose potential side effect is,...">idle_timer_run()</a> has already been called successfuly, subsequently it will return <code>false</code> and no-op (logging aside).</p>
<h3>Important: Relationship between <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a57ec0f2a9c1b8bfbaaf88975433a1354" title="In PEER state: Irreversibly enables a conceptual idle timer whose potential side effect is,...">idle_timer_run()</a> and <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf" title="In PEER state: Possibly-asynchronously awaits one discrete message – as sent by the opposing peer via...">async_receive_native_handle()</a></h3>
<p >Notes for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a> apply. In short: if you use <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a57ec0f2a9c1b8bfbaaf88975433a1354" title="In PEER state: Irreversibly enables a conceptual idle timer whose potential side effect is,...">idle_timer_run()</a>, then you'd best have an <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf" title="In PEER state: Possibly-asynchronously awaits one discrete message – as sent by the opposing peer via...">async_receive_native_handle()</a> outstanding at ~all times.</p>
<h3>Error semantics</h3>
<p >If and only if the timeout does occur down the line, the aforementioned error will be emitted via <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf" title="In PEER state: Possibly-asynchronously awaits one discrete message – as sent by the opposing peer via...">async_receive_native_handle()</a> (or similar) handler. It shall be treated as the reason to hose the pipe (assuming it was not hosed by something else earlier).</p>
<h3>Suggested use</h3>
<p >Notes for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a> apply.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">timeout</td><td>Notes for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a> apply. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. In addition: return <code>false</code> if <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#aa55c06ebb8ba1ba262560eabadb09ab6" title="Sets up the sync_io-pattern interaction between *this and the user&#39;s event loop; required before asyn...">start_receive_native_handle_ops()</a> has not been called successfully. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#affab55066b90fa3a69085678946da02e">&#9670;&nbsp;</a></span>operator=()</h2>

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          <td class="memname"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp; ipc::transport::sync_io::Native_handle_receiver::operator= </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html">Native_handle_receiver</a> &amp;&amp;&#160;</td>
          <td class="paramname"><em>src</em></td><td>)</td>
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<p>Move-assigns from <code>src</code>; <code>*this</code> acts as if destructed; <code>src</code> becomes as-if default-cted (therefore in NULL state). </p>
<p >No-op if <code>&amp;src == this</code>. Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">src</td><td>Same notes as for <a class="el" href="classipc_1_1transport_1_1Native__handle__receiver.html" title="A documentation-only concept defining the behavior of an object capable of reliably/in-order receivin...">transport::Native_handle_receiver</a>. </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>*this</code>. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a46194b54e9465a5a41d7fedf9d4982ae">&#9670;&nbsp;</a></span>receive_meta_blob_max_size()</h2>

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          <td class="memname">size_t ipc::transport::sync_io::Native_handle_receiver::receive_meta_blob_max_size </td>
          <td>(</td>
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          <td> const</td>
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<p>Mirrors <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html#afde03d7fb5746e77524229d5881b8d79" title="Same notes as for transport::Native_handle_sender.">sync_io::Native_handle_sender::send_meta_blob_max_size()</a>. </p>
<dl class="section return"><dt>Returns</dt><dd>See above. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a6b26e7ee8f63e8e80b9cc7010bf208d6">&#9670;&nbsp;</a></span>replace_event_wait_handles()</h2>

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template&lt;typename Create_ev_wait_hndl_func &gt; </div>
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          <td>(</td>
          <td class="paramtype">const Create_ev_wait_hndl_func &amp;&#160;</td>
          <td class="paramname"><em>create_ev_wait_hndl_func</em></td><td>)</td>
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<p>Coincides with <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__sender.html" title="A documentation-only concept defining the behavior of an object that is the sync_io-pattern counterpa...">sync_io::Native_handle_sender</a> concept counterpart. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">Create_ev_wait_hndl_func</td><td>See above. </td></tr>
  </table>
  </dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">create_ev_wait_hndl_func</td><td>See above. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>See above. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa55c06ebb8ba1ba262560eabadb09ab6">&#9670;&nbsp;</a></span>start_receive_native_handle_ops()</h2>

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template&lt;typename Event_wait_func_t &gt; </div>
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          <td class="memname">bool ipc::transport::sync_io::Native_handle_receiver::start_receive_native_handle_ops </td>
          <td>(</td>
          <td class="paramtype">Event_wait_func_t &amp;&amp;&#160;</td>
          <td class="paramname"><em>ev_wait_func</em></td><td>)</td>
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<p>Sets up the <code><a class="el" href="namespaceipc_1_1transport_1_1sync__io.html" title="sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.">sync_io</a></code>-pattern interaction between <code>*this</code> and the user's event loop; required before <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a6350bfb7f929a5b60fa4af1b6f7166cf" title="In PEER state: Possibly-asynchronously awaits one discrete message – as sent by the opposing peer via...">async_receive_native_handle()</a>, <a class="el" href="classipc_1_1transport_1_1sync__io_1_1Native__handle__receiver.html#a57ec0f2a9c1b8bfbaaf88975433a1354" title="In PEER state: Irreversibly enables a conceptual idle timer whose potential side effect is,...">idle_timer_run()</a> will work (as opposed to no-op/return <code>false</code>). </p>
<p >Otherwise the notes for sync_io::Native_handle_receiver::start_send_native_handle_ops() apply equally.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">Event_wait_func_t</td><td>See above. </td></tr>
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  </dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">ev_wait_func</td><td>See above. </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>See above. </dd></dl>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li>transport/sync_io/<a class="el" href="sync__io_2native__handle__transport_8hpp.html">native_handle_transport.hpp</a></li>
</ul>
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